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Private members and prototypes

JavaScript-OOP JavaScript

example.js Raw #

function Dog(name, color) {
    //private members
    var name = name,
        color = color;

    //public method
    this.getColor = function () {
        return color;
    }
    //public method
    this.getName = function () {
        return name;
    }
}
Dog.prototype = (function () {
    //private member
    var breed = 'French Bulldog',
    
    //private method
    getBreed = function () {
        return breed;
    };
    
    //public interface
    return {
        getBreed: function () {
            return breed;
        },
        getMessage: function () {
            return this.getColor() + ' dog, ' + 
                getBreed() + ' breed, named ' + 
                this.getName() + ' is missing';
        }
    }
})();